139. The Government may establish a working fund for the Office out of the consolidated revenue fund, not exceeding an amount determined by the Government, for the outlays necessary for the protection of loans, lines of credit or special loans and more particularly, but without restricting the generality of the foregoing, for payment of insurance premiums, taxes and assessments, the exercise of redemption rights, and the acquisition, conservation, administration, restoration and resale of the property securing the loans, lines of credit or special loans. As soon as they are recovered, the sums so paid out must be returned to the working fund.